1320791120

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1500899}}^1$

素因数の和:1500923

約数の個数: 40

約数和(自身を含む): 3350008800

約数和(自身を除く): 2029217680

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 1500899, 3001798, 6003596, 7504495, 12007192, 15008990, 16509889, 24014384, 30017980, 33019778, 60035960, 66039556, 82549445, 120071920, 132079112, 165098890, 264158224, 330197780, 660395560, 1320791120]

約数ペア:

[(1, 1320791120), (2, 660395560), (4, 330197780), (5, 264158224), (8, 165098890), (10, 132079112), (11, 120071920), (16, 82549445), (20, 66039556), (22, 60035960), (40, 33019778), (44, 30017980), (55, 24014384), (80, 16509889), (88, 15008990), (110, 12007192), (176, 7504495), (220, 6003596), (440, 3001798), (880, 1500899)]